{"id":1374,"date":"2020-06-06T19:45:05","date_gmt":"2020-06-06T11:45:05","guid":{"rendered":"https:\/\/www.wesbytes.com\/guide\/?post_type=kb&p=1374"},"modified":"2025-01-15T14:12:30","modified_gmt":"2025-01-15T06:12:30","slug":"how-to-update-servers-kernel","status":"publish","type":"kb","link":"https:\/\/www.servergigabit.com\/guide\/kb\/how-to-update-servers-kernel","title":{"rendered":"How to update Server\u2019s Kernel?"},"content":{"rendered":"\t\t
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What is Kernel?<\/h3>

The kernel is the central module of a server OS. The core that provides basic services is for all other parts of the operating system.<\/p>

Why you need to update kernel?<\/strong>
Meltdown and Spectre exploit processor vulnerabilities allow programs to steal data which is currently process on the computer. You may update those release update to reduce the risk.<\/p>

Below steps how to perform:<\/strong><\/p>

A) Linux OS:<\/em><\/strong><\/p>

Apply the kernel version update according to your current OS version:<\/p>

OS Version: CL6<\/strong><\/u>
Kernel version that fixed the issue: 2.6.32-896.16.1.lve1.4.49.el6<\/p>

Command to run:<\/p>

yum clean all && yum update kernel-firmware && yum install kernel-2.6.32-896.16.1.lve1.4.49.el6<\/p>

OS Version: CL7<\/strong><\/u>
Kernel version that fixed the issue:\u00a03.10.0-714.10.2.lve1.5.8.el7<\/span><\/p>

Command to run:<\/p>

yum clean all \u2013enablerepo=cloudlinux-updates-testing && yum update linux-firmware microcode_ctl && yum install kernel-3.10.0-714.10.2.lve1.5.8.el7 \u2013enablerepo=cloudlinux-updates-testing<\/span><\/p>

OS Version:\u00a0<\/strong><\/u>Centos6<\/strong><\/u><\/span>
Kernel version that fixed the issue: 2.6.32-696.18.7.el6.x86_64<\/span><\/p>

Command to run:\u00a0<\/span>
yum clean all; yum update kernel-2.6.32-696.18.7.el6.x86_64\u00a0<\/span><\/p>

OS Version:\u00a0<\/strong><\/u>Centos7<\/strong><\/u><\/span>
Kernel version that fixed the issue: 3.10.0-693.11.6.el7.x86_64<\/span><\/p>

Command to run:\u00a0<\/span>
yum clean all; yum update kernel-3.10.0-693.11.6.el7.x86_64<\/span><\/p>

How to verify that you run the update correctly?<\/strong><\/em><\/span><\/p>

Inside your SSH, run the following command to check:<\/span><\/p>

=====<\/span><\/p>

cat \/etc\/redhat-release<\/span>
uname -r \u00a0 \u00a0\u00a0<\/span><\/p>

=====<\/span><\/p>

B) Windows OS:<\/strong><\/u><\/em><\/p>

Apply the Windows operating system update according to your current server version:<\/p>

Windows Server 2008 R2<\/strong><\/u><\/p>

Steps to update:https:\/\/support.microsoft.com\/en-us\/help\/4056897<\/a><\/p>

Windows Server 2012 R2<\/strong><\/u><\/p>

Steps to update:https:\/\/support.microsoft.com\/en-us\/help\/4056898<\/a><\/p>

Windows Server 2016<\/strong><\/u><\/p>

Steps to update:https:\/\/support.microsoft.com\/en-us\/help\/4056890<\/a><\/p>

How to verify that you run the update correctly?<\/strong><\/em><\/p>

Speculation Control Validation PowerShell Script:<\/p>

https:\/\/github.com\/microsoft\/SpeculationControlhttps:\/\/gallery.technet.microsoft.com\/scriptcenter\/Speculation-Control-e36f0050<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

What is Kernel? The kernel is the central module of a server OS. The core that provides basic services is for all other parts of the operating system. Why you need to update kernel?Meltdown and Spectre exploit processor vulnerabilities allow programs to steal data which is currently process on the computer. You may update those release update to reduce the…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"kbtopic":[41],"kbtag":[],"class_list":["post-1374","kb","type-kb","status-publish","hentry","kbtopic-security-updates"],"_links":{"self":[{"href":"https:\/\/www.servergigabit.com\/guide\/wp-json\/wp\/v2\/kb\/1374","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.servergigabit.com\/guide\/wp-json\/wp\/v2\/kb"}],"about":[{"href":"https:\/\/www.servergigabit.com\/guide\/wp-json\/wp\/v2\/types\/kb"}],"author":[{"embeddable":true,"href":"https:\/\/www.servergigabit.com\/guide\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.servergigabit.com\/guide\/wp-json\/wp\/v2\/comments?post=1374"}],"version-history":[{"count":7,"href":"https:\/\/www.servergigabit.com\/guide\/wp-json\/wp\/v2\/kb\/1374\/revisions"}],"predecessor-version":[{"id":4038,"href":"https:\/\/www.servergigabit.com\/guide\/wp-json\/wp\/v2\/kb\/1374\/revisions\/4038"}],"wp:attachment":[{"href":"https:\/\/www.servergigabit.com\/guide\/wp-json\/wp\/v2\/media?parent=1374"}],"wp:term":[{"taxonomy":"kbtopic","embeddable":true,"href":"https:\/\/www.servergigabit.com\/guide\/wp-json\/wp\/v2\/kbtopic?post=1374"},{"taxonomy":"kbtag","embeddable":true,"href":"https:\/\/www.servergigabit.com\/guide\/wp-json\/wp\/v2\/kbtag?post=1374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}